If you have ever been interested in awk and sed Unix utilities, then you probably know about the awk1line.txt and sed1line.txt files that are floating around the Internet. Each file contains around 80 idiomatic sed and awk one-liners for performing various text modification tasks.

no, there is not a billion people who can read Chinese, unlike popular believe, and there is a reason for that. Guess why they had to 'invent' simplified on top of traditional? The same applies to all other fancy writing systems.

However, the point is that different tools serve different purposes and you may get along with it without knowing it inside out. I wished I knew any which one of these to some extent, but absent an actual need, I cannot justify putting the required time into it. You will know better...